Elliott's 3400 Series Flaring Boiler Expanders are the recommended tube expanders for expanding and flaring tubes in watertube and firetube boilers.

The prong style collar allows for uniform flare lengths as well as torque controlled tube rolling to obtain uniform expanded joints.

The 3400 Series Expanders are manufactured from high quality tool steels to assure for long life under the toughest of conditions.

Features & Benefits:

• Prong style thrust collar – uniform flare lengths without risk of driving flare rolling into tube sheet.
• High quality steel for the most demanding boiler applications